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IJIEM - Indonesian Journal of Industrial Engineering & Management Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana Kampus Menteng - Gedung Tedja Buana, Floor 4th Jl. Menteng Raya No. 29 Jakarta Pusat- Indonesia Tlp.: +62 21 31935454 Fax: +62 21 31934474
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INDONESIA
Indonesian Journal of Industrial Engineering & Management
Published by Universitas Mercu Buana
ISSN : 26147327     EISSN : 27459063     DOI : https://dx.doi.org/10.22441/ijiem
Core Subject : Science, Engineering,
Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering
The journal aims to advance the theoretical and applied knowledge of this rapidly evolving field, with a special focus on industrial engineering and management, organisation of production processes, management of production knowledge, computer integrated management of production flow, enterprise effectiveness, maintainability and sustainable manufacturing, productivity and organisation, forecasting, modelling and simulation, decision making systems, project management, innovation management and technology transfer, quality engineering and safety at work, supply chain optimization. Indonesian Journal of Industrial Engineering & Management is published under the auspices of Universitas Mercu Buana. The main purpose of Indonesian Journal of Industrial Engineering & Management is to publish the results of cutting-edge research advancing the concepts, theories and implementation of novel solutions in modern manufacturing and services. Papers presenting original research results related to industrial engineering and management education are also welcomed.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 30 Documents
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Search results for , issue "Vol 5, No 2: June 2024" : 30 Documents clear
Analysis of Quality Control of Bread Products Using the Seven Tools Method and Kaizen in Banana Bread Shop Jombang Khakiki, Elin Ken; Donoriyanto, Dwi Sukma
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22205

Abstract

Banana Bread Shop Jombang is a micro company engaged in the food industry by producing sweet bread with various variants. However, in the production process there are still defects in the product, there by reducing the quality of the bread production. The purpose of this study was to minimize defects in Mexican chocolate bread products produced by Banana Bread Shop Jombang by conducting an analysis using the seven tools and kaizen methods in the production process. The data collection technique used was interview, observation and documentation methods during March-May 2023. The results of the analysis showed that the types of defects that occurred in Mexican chocolate bread products were non-standard forms, burnt, flat, and cut by the packaging machine. Based on the four types of disability, flat is the most dominant with a total of 2.198 pcs. The occurrence of defects in mexico chocolate bakery products is caused by 5M factors: man, methods, machines, materials, and milieu. Improvements made to minimize the occurrence of defects in Mexican chocolate bread are by implementing the kaizen method.
Optimization of Transportation Distribution Costs Using Improved Vogel's Approximation Method (IVAM) (Case Study: PT. Sinar Putra Pertam) Mussafi, Noor Saif Muhammad; Adianta, Alya
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.27288

Abstract

Distribution is the process of distributing goods from source to destination. The main problem with distribution is the inefficiencies in distribution costs. The distribution problem can be solved by transportation methods. The transportation method is carried out in two stages, namely finding the initial solution then looking for the optimal solution. This study uses Improved Vogel's Approximation Method (IVAM) initial solution method and Modified Distribution Method (MODI) as the optimal solution method in distributing 3 Kg LPG gas PT. Sinar Putra Pertam. This study aims to find out how IVAM and MODI work in getting optimal solutions, and compare the results of these calculations with the calculation of 3 Kg LPG gas distribution costs from the company. In this study, there were 2 sources of LPG gas filling which were distributed using a fleet of colt trucks to 15 destinations. The distribution cost is calculated based on fleet fuel consumption. The results of the initial solution calculation show IVAM requires three iterations to get a solution. While the calculation results of the MODI optimization test require one iteration to achieve the optimal solution. The distribution cost using IVAM and MODI is the same amounting to IDR 6,816,230.00 so that it is smaller than the conventional calculation results from the company, which is IDR 9,307,000.00. Based on these results, the transportation method used in this study can save 26.76% of the total distribution cost.
System Dynamic Approach to Analyzing the Watermelon Supply Chain in Sidoarjo, East Java Ubaiyi, R. Vanji Abdillah; Donoriyanto, Dwi Sukma; Rahmawati, Nur
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22388

Abstract

The supply chain system will greatly affect the distribution channel that will be targeted, thereby affecting the availability of products and also the fulfillment of needs for the community. Sidoarjo Regency has the potential to produce watermelons independently; this is supported because Sidoarjo Regency is included in the Gerbangkartasusila region, with Surabaya City as one of the main supporting districts. Watermelon fruit has a very abundant amount of production in Sidoarjo Regency, but watermelon fruit is a seasonal fruit with erratic public consumption and tends to decrease, causing an excess supply of watermelon. Therefore, this research was conducted to determine supply chain behavior, then model and simulate it, as well as design a model for improving the watermelon supply chain in Sidoarjo Regency. Through a system dynamics simulation approach using Vensim software, the results show that the amount of watermelon stock in Sidoarjo is affected by production, consumption, and depreciation values. Then, the current total production of watermelons will be 1110 quintals in 2021. Through a simulation of the improvement model design with the addition of other regional distributions and the assumption of a distribution of 350 tons/year for the next 5 years, the supply of watermelons is still able to meet the needs of the people of Sidoarjo Regency. The improvement model reduces excess inventory in Sidoarjo Regency.
Soybean Inventory Management at Gesit Tahu Factory Using the Economic Order Quantity (EOQ) Method Hidayat, Rahmat; Wahyuda, Wahyuda; Sitania, Farida Djumiati
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22938

Abstract

Gesit Tahu is a small-scale factory engaged in the tofu industry, in the production process is closely related to the supply of the main raw material, namely soybeans. Gesit Tahu has not been optimal in controlling the level of raw material inventory where this factory has experienced a shortage of soybean inventory due to high demand, so it requires a method that can optimize raw material purchases and minimize inventory costs, the right method in solving this problem is using the Economic Order Quantity (EOQ) method. The purpose of this study is to determine the inventory control of Gesit Tahu soybean raw materials by comparing the current inventory management policy at the factory and using the EOQ method. The results of this study that inventory control is more efficient using the EOQ method, it is proven that it can make savings from the cost factor that must be incurred, it can be seen that if the Gesit Tahu factory applies the EOQ method, namely IDR 2,223,077,461, it is a minimum compared to the factory policy method within one year, which is IDR 2,223,619,662. The optimal order quantity for soybean needs is 72.87 sacks (73 sacks) for one order. The frequency of ordering soybean needs is 43.49 or 44 times/year. The calculation of safety stock to anticipate unexpected shortages is 1.64 sacks or 2 sacks. The calculation of the reorder point obtained to determine the point at which the order is placed again so that the ordered goods arrive on time before the inventory runs out is 21.93 sacks or 22 sacks.
Design and Development of an Innovation Model for the Opak Machine at Opak Ketan MSMEs Cibuaya Karawang using the House of Quality Method Debora, Fransisca; Rahma, Rana Ardila; Nuraini, Umi; Rahmani, Hani Fitria
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.28341

Abstract

One of the MSMEs (Micro, Small Medium Enterprise) in the food sector located in Cibuaya Karawang area, namely Opak Ketan MSMEs, still carries out the opak production process manually, resulting in various shapes and diameters of opak. Opak ketan itself is made from a type of opak with different sizes and thicknesses, such as larger and thicker opak, and smaller opak with thin thickness and a crisp texture due to being baked. According to field analysis and interviews conducted at the research site, the manual production process presents difficulties and causes fatigue for workers, particularly in the formation of opak diameter and thickness. The printing process is done one by one (repeatedly), making it time-consuming and causing fatigue for workers who sit for long periods. As a result, the shape and thickness of opak lack precision (inconsistencies in size), leading to a lack of standardization. In terms of work activities, workers easily experience fatigue, particularly in their hands, waist, and back due to repetitive static movements. Ergonomically, working conditions are a factor that can enhance productivity, safety, and comfort for workers. Therefore, there is a need for the development and design of a suitable technology innovation model that can facilitate opak workers by creating a tool for printing opak ketan using an opak printing machine. This innovation can influence increased production capacity to be faster and standardized in shape and thickness. This design also applies the House of Quality (HOQ) model which successfully links consumer desires with a product design which produces 10 assumed criteria and 15 characteristics in order of importance. So it is concluded that the first priority that needs to be taken into account is determining price, flexibility and engine resources (fuel).
Quality Control Analysis to Minimize the Risk of Defective Products Using Statistical Process Control (SPC) and Failure Modes and Effect Analysis (FMEA) Methods (Case Study: PT XYZ Samarinda) Dahlia, Azura; Tongsuku, La Ode Ahmad Safar; Gunawan, Suwardi
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.24039

Abstract

PT. XYZ is a company that produces plywood. The issue faced by this company is the increasing risk of defective plywood products resulting from the production process. This research conducts a risk analysis of rejected defective products using the Statistical Process Control (SPC) method to identify the types of defects and their causes, as well as the Failure Mode and Effect Analysis (FMEA). Based on production data from January 2022 to April 2023, PT. XYZ Samarinda has produced 6,629,815 plywood pieces, with 356,137 rejected defective products. There are 10 types of defects, namely delamination defects, blisters, 2x process fractures, impacts, cores that are too narrow, patches, defective sander F/B, F/B too narrow, defective press F/B, and uneven cores. The results obtained from the SPC method indicate that there are four priority defect types: delamination defects, blisters, 2x process fractures, and impacts. According to the FMEA method, the most risky cause for delamination defects is applying a layer of adhesive that is too thin, with an RPN value of 280. The most risky cause for blister defects is an excessively high adhesive dose, with an RPN value of 180. The most risky cause for 2x process fractures is excessive pressure during the core scratching process that penetrates the F/B, with an RPN value of 210. The most risky cause for impact defects is careless workers when moving plywood lots using a cart, with an RPN value of 144. Subsequently, improvement proposals are made using the 5W+1H method to determine the causes of defects and the necessary improvements that the company should undertake.
Analysis of Raw Material Inventory Control Using the Min-Max Stock Method to Control Inventory Costs at PT. Artha King Indonesia Ramadhan, Ardana; Saifuddin, Joumil Aidil
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22293

Abstract

In the current era of globalization, a company must always try to have the ability to compete with other companies. The issue of inventory planning and control is one of the most important things every business has to face. This study aims to determine the picture of inventory management using Min-Max Stock at PT Artha King Indonesia and find out the amount of inventory costs incurred using the Min Max Stock method. The type of research used is quantitative descriptive research conducted at PT Artha King Indonesia. We recommend that data collection uses primary data from interviews and company observations. While secondary data is obtained from historical company data. The results of this study show that theoretically the minimum and maximum limit values of stock, safety stock, and reorder level (Q) are different for each raw material. Furthermore, by using a policy proposal with the minimum inventory method, the cost calculation results show that the annual costs incurred by the company are lower because there is no excess or out-of-stock material during the warehouse period. Knowing the results of theoretical calculations of the above values, it is possible to evaluate the policies used today so that in the future the company can minimize the costs incurred and maximize profits.
The Effect of Marketing Mix 4P on Purchasing Decisions and Repurchasing Intention Prochiz in Indonesia Using the SEM and SWOT Methods Nugroho, Aqshal Daffa; Waluyo, Minto
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22040

Abstract

Prochiz comes as a delicious cheese product, with high nutritional content. Prochiz has problems with product, price, place, and promotion variables on purchasing decisions and repurchase intention. In addition, Prochiz is still ranked 2nd in the Top Brand Index ranking, and has not been able to become number 1. The purpose of this study was to determine the effect of the 4P marketing mix on purchasing decisions and repurchases of Prochiz cheese in Indonesia and determine the marketing strategy of Prochiz cheese using the SWOT (Strengths, Weaknesses, Opportunities, and Threats) method. The method used in this study uses SEM (Structural Equation Modeling) and SWOT. SEM is used to show simultaneous equations between variables and SWOT is used to determine marketing strategies. The results of data processing show that the product has a significant effect on repurchase intention, while the price and place variables doesn’t have a significant effect on purchasing decisions, promotion cannot be proven, and purchasing decisions have a significant effect on repurchase intention. The simultaneous equation obtained in this study is Y1 = 0,839 X2 + 0,167 X2 + 0,005 X3 + Z4 and Y2 = 0,727 X1 + 0,147 X2 + 0,004 X3 + Z5.
Implementation of Lean Manufacturing Approach Using Value Stream Mapping to Optimize Cycle Time and Reduce Process Waste (Case Study: CV. Teguh Jaya Mandiri) Maknun, Salmaa Lu'lu'ul; Aidil, Joumil
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22440

Abstract

Competition in several service sector companies and the manufacturing industry is getting tighter, which requires service companies as well as manufacturing to increase their production. Solving this problem can be started by improving the company system. Especially in minimizing or eliminating waste from the production process. CV. Teguh Jaya Mandiri is a company engaged in packaging screen printing services, its current condition has obstacles in the processing period that exceeds the time limit and does not match consumer demand. This is because the company has not done a good analysis in calculating the cycle time that occurs during the entire process. Thus, researchers can identify the level of waste and proposed improvements to optimize cycle time and reduce waste in the production process. In this research, the lean manufacturing method is used with the Value Stream Mapping tool followed by Process Activity Mapping which is one of VALSAT (Value Stream Analysis Tools). The results showed that Process Activity Mapping using the Value Stream Mapping approach identified waste in the production process at CV. Teguh Jaya Mandiri, namely there are overprocesses. The weighting result of overprocesses is 0,21. Cycle Time has decreased from 24812,5 seconds to 13908,5 seconds or 3 hours 52 minutes by eliminating NVA and reducing existing VA.
Implementation of Reverse Logistics System in the Metal Industry Using Supply Chain Operation References (SCOR) Model with Analytical Hierarchy Process (AHP) Method Pulansari, Farida; Nugraha, Isna; Winursito, Yekti Condro
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.23366

Abstract

As a result of the physical characteristics of metals and their use on a large scale, the industry producing metal products is one of the most important in terms of volume when implementing reverse logistics practices. The relationship between suppliers and customers from the perspective of environmental demands, companies using metal materials are mapped into the Supply Chain operation Reference (SCOR) model. In this study there are Key Performance indicators (KPIs) which are categorized based on the performance attributes of SCOR, namely reliability, responsiveness, agility, cost, and assets management. Using the Analytical Hierarchy Process (AHP) method is an analytical method for the structure of a problem and is used to make decisions on an alternative that is useful for solving complex unstructured problems. The result of this research is that the performance value obtained is a yellow traffic light which means that the application of reverse logistics metal at PT. XYZ has not been implemented properly, so further research must be carried out with primary data in the form of a reverse logistics process each step by step.

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